Finding the Fourth Proportional to 108,978.01, 162,513.34 and 107,981.51

Step by Step Solution

1. Step 1: Write the proportion equation
   108,978.01 : 162,513.34 = 107,981.51 : x
2. Step 2: Convert to fraction form
   108,978.01/162,513.34 = 107,981.51/x
3. Step 3: Cross multiply
   108,978.01x = 162,513.34 × 107,981.51
4. Step 4: Simplify right side
   108,978.01x = 17,548,434,765.82
5. Step 5: Solve for x
   x = 17,548,434,765.82/108,978.01
6. Step 6: Final answer
   x = 161,027.30